Reverse lights will not work

1989 Ford Probe GT TurboThe reverse lights will not work, I replaced bulbs,checked fuse,checked wire harness and everything looked good. I do not know where the reverse switch is located on the manual transmission. I used the wiring diagram to get wire colors but I found 2 switches on the transmission and they do not match up.

for the 89 probe there is two switches. the one directly above the driver crossmember is the reverse switch.for the 89 probe there is two switches. the one directly above the driver crossmember is the reverse switch.

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Remove plug from light bulb, using 12 volt test light hook up ground to negative side of battery,then touch probe on positive terminal to make sure test light is functional.next- turn lights on and then probe the plug at each terminal- there should be one wire that has power and the test light should light up. If the test light lights up then you need to test the circuit ground for the wiring harness. So remove the test light clamp and put it on the positive post of the battery. Now retest the test light by touching the probe on the negative post on the battery and the test light should light up. Next with the headlights off-probe the other terminals and if there is a good ground in the harness the light will light up- if not then there is an open condition in the headlight harness- a broken wire or a bad system ground.If both tests are performed and either condition does not happen then a wiring schematic will be needed to perform the repair. This is after all fuses are presumed good.

It may be a bad back-up light switch on the transmission. Look for a two-wire connector on the transmission or transaxle, although it may be included in a wiring harness for the transaxle. If you find the two wires for the reverse light switch, you can jumper the two wires together, and with key on, the reverse lights should be on, verifying a bad reverse light switch. Screw it out and replace. But if still no lights, there may be a wiring break or a wiring problem going to the lights.Good luck.

If the bulb and the fuse are good, (the fuse will affect other circuits as well, not only the reverse lights), your next stop is the reverse light switch. It is located on the gearbox and is a switch with two wires coming from it. Remove the wires and touch them together and see if the reverse light comes on with the ignition on. If they do, you need to replace the switch.

1989 ford probe turbo 2.2L turbo the oil filter sandwich block thats adapted to the block of the motor... the Hole that comes out block and from where the sandwich adapter mounts to the block... is there suppose be some sorta plug or fitting there? is there possible get detailed picture so i know what im missing?

i have hole and ******** oil out... and trying get fixed so i can sell the car... to fix my current problem no motor for a mustang 5.0 gt so if anyone can help me out id greatly apppericate it...

Check fuse #41, if its good then the brake switch may need replacing. You can test the power to the switch by the use of a voltage meter touching the LG/RD (light green/red) wire with the red side of the meter and the other probe to ground. If more than 10 volts its good. You can check the BPP (brake pedal position switch) by installing a fused jumper wire from LG/RD to the RD/LG wires. Connect a 10A fused jumper wire between C242, Circuit 10 (LG/RD), harness side and C242, Circuit 810 (RD/LG), harness side. And check the brake lights, if they go on then the switch is defective. Hope this helps you.

Like any bulb, it needspower and ground. Probe the contact in the bulb socket with a test light and check for power. If you have power, use the same ground you did for the test light and connect a short piece of wire there and probe the socket with the bulb installed (insert down into the socket between the bulb and socket) If the light comes on re-ground the socket.If you get nothing for power check the harness closer to the switch...if nothing there you may need to check the signal switch to make sure an internal contact hasn't failed. I'm betting it's a bad ground though.

Do you have the twin cooling fan set up?one is for the engine and the other is for the AC.these can be replace through the aftermarket parts stores. The blower for the heat/ac can be replaced. You can also test these units if your unplug them from the harness,and use jumper wires to supply power and ground.

about the only advice i can give is that i did the same thing with a 94 probe base and a 94 gt. i had to take the whole wiring harness out of the gt and put it in the base. It starts from the inside fuse block, goes to both doors, under the front seats, all the way to the fuel pump, abs, tail lights, and pretty much everything from the dash to the rear of the car. If you can get a whole harness, it should work.